ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C13H18N6O3/c1-8(5-20)2-3-15-11-10-12(17-6-16-11)19(7-18-10)4-9(14)13(21)22/h2,6-7,9,20H,3-5,14H2,1H3,(H,21,22)(H,15,16,17)/b8-2 /t9-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C13H18N6O3/c1-8(5-20)2-3-15-11-10-12(17-6-16-11)19(7-18-10)4-9(14)13(21)22/h2,6-7,9,20H,3-5,14H2,1H3,(H,21,22)(H,15,16,17)/b8-2 /t9-/m0/s1 could not be loaded.